Home / 83,910.72-125,845.92-24,730.40

Finding the Fourth Proportional to 83,910.72, 125,845.92 and 24,730.40

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Solution

The fourth proportional to 83,910.72, 125,845.92 and 24,730.40 is: 37,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,910.72 : 125,845.92 = 24,730.40 : x
  2. Step 2: Convert to fraction form
    83,910.72/125,845.92 = 24,730.40/x
  3. Step 3: Cross multiply
    83,910.72x = 125,845.92 × 24,730.40
  4. Step 4: Simplify right side
    83,910.72x = 3,112,219,939.97
  5. Step 5: Solve for x
    x = 3,112,219,939.97/83,910.72
  6. Step 6: Final answer
    x = 37,089.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.